Economic efficiency of investments in producing a mixture from brewing waste for the recultivation of soil contaminated with oil and oil productsElena Yu. Rudenko, Galina S. Mukovnina, Artem G. Kashaev, Olga E. Temnikova and Roman S. MukovninBIO Web Conf., 17 (2020) 00179DOI: https://doi.org/10.1051/bioconf/20201700179